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Common Name(s): 1-naphthaleneacetic acid,1-naphthaleneacetic acid,cosmetic functional ingredient,established active

CAS Number: N/a

DESCRIPTION

What It Does: Provides ph adjustment, chelation, or reactive chemistry for polymer formation or exfoliant activity.

Why It's Used: 1-naphthaleneacetic acid is selected for the specific functional properties of its molecular class โ€” the chemical architecture of 1-naphthaleneacetic acid delivers the required cosmetic performance through documented interactions with skin biology and formulation matrix.

How It Works: Carboxylic acids donate protons for ph adjustment; reactive groups enable polymer formation or keratolytic activity.

Typically Found In: Cosmetic formulations

TECHNICAL DETAILS

Primary Category: Active ingredient โ€“ cosmetic active

Secondary Functions: Skin conditioning

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 0.1%โ€“10%

SOURCING & ETHICS

Vegan Status: Conditional

Halal Status: Yes

Source Notes: Commercially produced for cosmetic use. verify vegan/halal status with supplier.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 โ€“ very low

Comedogenicity Rating: 0/5 โ€“ non-comedogenic

Sensitivity Concerns: Well-tolerated by most skin types.

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Good safety profile at recommended concentrations. ewg score: 1โ€“2.

Works Well With: Standard skincare actives

Avoid Combining With: No known significant incompatibilities

SCIENTIFIC NOTE

Safety documented in cosing at standard formulation concentrations.

Last Verified: Cosing database,1-naphthaleneacetic acid technical review

Primary Sources: 2026-03-22